package com.kaikeba.wx.filter;


import com.kaikeba.bean.User;
import com.kaikeba.util.UserUtil;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebFilter({"/index.html"})
public class UserFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        HttpSession session = request.getSession();
        User wxUser = UserUtil.getWxUser(session);
        if (wxUser != null) {
            filterChain.doFilter(servletRequest, servletResponse);
        }else {
            response.sendRedirect("login.html");
        }

    }

    @Override
    public void destroy() {

    }
}
